Initial

LehrerApp.Desktop/ViewModels/Students/StudentViewModels.cs

@@ -0,0 +1,223 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using LehrerApp.Core.Interfaces;
+using LehrerApp.Core.Models;
+using System.Collections.ObjectModel;
+
+namespace LehrerApp.Desktop.ViewModels.Students;
+
+// ── Schülerliste ──────────────────────────────────────────────────────────────
+
+public partial class StudentListViewModel : ObservableObject
+{
+    private readonly IStudentRepository _students;
+
+    [ObservableProperty] private string _searchText = "";
+    [ObservableProperty] private bool _showInactive;
+    [ObservableProperty] private StudentListItem? _selectedStudent;
+
+    public ObservableCollection<StudentListItem> Students { get; } = [];
+
+    public StudentListViewModel(IStudentRepository students)
+    {
+        _students = students;
+        LoadStudents();
+    }
+
+    partial void OnSearchTextChanged(string value) => LoadStudents();
+    partial void OnShowInactiveChanged(bool value) => LoadStudents();
+
+    private void LoadStudents()
+    {
+        Students.Clear();
+        var all = _students.GetAll(includeInactive: ShowInactive);
+
+        var filtered = string.IsNullOrWhiteSpace(SearchText)
+            ? all
+            : all.Where(s =>
+                s.LastName.Contains(SearchText, StringComparison.OrdinalIgnoreCase) ||
+                s.FirstName.Contains(SearchText, StringComparison.OrdinalIgnoreCase));
+
+        foreach (var s in filtered)
+            Students.Add(new StudentListItem(s));
+    }
+
+    [RelayCommand]
+    private void AddStudent()
+    {
+        // TODO: Neuer-Schüler-Dialog
+    }
+
+    [RelayCommand]
+    private void Refresh() => LoadStudents();
+}
+
+public class StudentListItem
+{
+    public Guid Id { get; }
+    public string FullName { get; }
+    public string DateOfBirth { get; }
+    public bool IsActive { get; }
+
+    public StudentListItem(Student s)
+    {
+        Id = s.Id;
+        FullName = s.FullName;
+        DateOfBirth = s.DateOfBirth?.ToString("dd.MM.yyyy") ?? "";
+        IsActive = s.IsActive;
+    }
+}
+
+// ── Schülerdetail ─────────────────────────────────────────────────────────────
+
+public partial class StudentDetailViewModel : ObservableObject
+{
+    private readonly IStudentRepository _students;
+    private readonly IEnrollmentRepository _enrollments;
+    private readonly IGroupRepository _groups;
+    private readonly IGradeRepository _grades;
+    private readonly IDocumentationRepository _docs;
+
+    [ObservableProperty] private Student? _student;
+    [ObservableProperty] private string _studentTitle = "";
+    [ObservableProperty] private StudentTab _activeTab = StudentTab.Overview;
+    [ObservableProperty] private bool _isEditing;
+
+    // Bearbeitbare Felder
+    [ObservableProperty] private string _editFirstName = "";
+    [ObservableProperty] private string _editLastName = "";
+    [ObservableProperty] private string _editNotes = "";
+
+    public ObservableCollection<EnrollmentEntry> Enrollments { get; } = [];
+    public ObservableCollection<GradeEntry> Grades { get; } = [];
+    public ObservableCollection<DocEntry> Documentation { get; } = [];
+
+    public StudentDetailViewModel(
+        IStudentRepository students,
+        IEnrollmentRepository enrollments,
+        IGroupRepository groups,
+        IGradeRepository grades,
+        IDocumentationRepository docs)
+    {
+        _students = students;
+        _enrollments = enrollments;
+        _groups = groups;
+        _grades = grades;
+        _docs = docs;
+    }
+
+    public void LoadStudent(Guid studentId)
+    {
+        Student = _students.GetById(studentId);
+        if (Student is null) return;
+
+        StudentTitle = Student.FullName;
+        EditFirstName = Student.FirstName;
+        EditLastName = Student.LastName;
+        EditNotes = Student.Notes ?? "";
+
+        LoadEnrollments();
+        LoadDocs();
+    }
+
+    [RelayCommand]
+    private void SwitchTab(StudentTab tab) => ActiveTab = tab;
+
+    [RelayCommand]
+    private void StartEdit() => IsEditing = true;
+
+    [RelayCommand]
+    private void CancelEdit()
+    {
+        if (Student is null) return;
+        EditFirstName = Student.FirstName;
+        EditLastName = Student.LastName;
+        EditNotes = Student.Notes ?? "";
+        IsEditing = false;
+    }
+
+    [RelayCommand]
+    private void SaveEdit()
+    {
+        if (Student is null) return;
+        Student.FirstName = EditFirstName;
+        Student.LastName = EditLastName;
+        Student.Notes = string.IsNullOrWhiteSpace(EditNotes) ? null : EditNotes;
+        _students.Save(Student);
+        StudentTitle = Student.FullName;
+        IsEditing = false;
+    }
+
+    private void LoadEnrollments()
+    {
+        if (Student is null) return;
+        Enrollments.Clear();
+
+        var enrollments = _enrollments.GetByStudent(Student.Id);
+        var groupIds = enrollments.Select(e => e.GroupId).Distinct();
+        var groupMap = groupIds
+            .Select(id => _groups.GetById(id))
+            .Where(g => g is not null)
+            .ToDictionary(g => g!.Id);
+
+        foreach (var e in enrollments.OrderByDescending(e => e.SchoolYear))
+        {
+            if (!groupMap.TryGetValue(e.GroupId, out var group)) continue;
+            Enrollments.Add(new EnrollmentEntry
+            {
+                SchoolYear = e.SchoolYear,
+                GroupName = group.Name,
+                Subject = group.Subject ?? "",
+            });
+        }
+    }
+
+    private void LoadDocs()
+    {
+        if (Student is null) return;
+        Documentation.Clear();
+
+        foreach (var doc in _docs.GetByStudent(Student.Id))
+        {
+            Documentation.Add(new DocEntry
+            {
+                Date = doc.Date.ToString("dd.MM.yyyy"),
+                Title = doc.Title,
+                TypeLabel = doc.Type switch
+                {
+                    DocumentationType.Conversation => "Gespräch",
+                    DocumentationType.Incident     => "Vorkommnis",
+                    DocumentationType.SupportPlan  => "Förderplan",
+                    DocumentationType.Absence      => "Fehlzeit",
+                    _ => "",
+                },
+                IsConfidential = doc.IsConfidential,
+            });
+        }
+    }
+}
+
+public enum StudentTab { Overview, Grades, Documentation }
+
+public class EnrollmentEntry
+{
+    public string SchoolYear { get; set; } = "";
+    public string GroupName { get; set; } = "";
+    public string Subject { get; set; } = "";
+}
+
+public class GradeEntry
+{
+    public string Date { get; set; } = "";
+    public string Value { get; set; } = "";
+    public string Category { get; set; } = "";
+    public string GroupName { get; set; } = "";
+}
+
+public class DocEntry
+{
+    public string Date { get; set; } = "";
+    public string Title { get; set; } = "";
+    public string TypeLabel { get; set; } = "";
+    public bool IsConfidential { get; set; }
+}